-#define DEFAULT_CHANNEL_OVERWRITE 0
-#define DEFAULT_CHANNEL_TRACEFILE_SIZE 0
-#define DEFAULT_CHANNEL_TRACEFILE_COUNT 0
-
-/* Must always be a power of 2 */
-#define _DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
-/* Must always be a power of 2 */
-#define _DEFAULT_CHANNEL_SUBBUF_NUM 4
-#define _DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
-#define _DEFAULT_CHANNEL_LIVE_TIMER 0 /* usec */
-#define _DEFAULT_CHANNEL_READ_TIMER 200000 /* usec */
+#define DEFAULT_CHANNEL_OVERWRITE -1
+#define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
+#define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
+
+#define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE